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Finding the Fourth Proportional to 464,783.40, 641,254.86 and 260,804.34

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Solution

The fourth proportional to 464,783.40, 641,254.86 and 260,804.34 is: 359,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,783.40 : 641,254.86 = 260,804.34 : x
  2. Step 2: Convert to fraction form
    464,783.40/641,254.86 = 260,804.34/x
  3. Step 3: Cross multiply
    464,783.40x = 641,254.86 × 260,804.34
  4. Step 4: Simplify right side
    464,783.40x = 167,242,050,534.09
  5. Step 5: Solve for x
    x = 167,242,050,534.09/464,783.40
  6. Step 6: Final answer
    x = 359,827.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.